在堤(坝)工程挖方施工中,往往由于地面起伏(),所以开挖断面深浅不一,遇到这种情况,可分段进行计算。
参考答案:不平
在一幅比例尺是1:200000的地图上,量得甲、乙两地的图上距离是b厘米,甲、乙两地的实际距离是2b千米.______.(判断对错)
Only when ____ possible to settle the problem how to get the machine repaired. [ ]
A. does the monitor come will it be
B. the monitor comes will it be
C. has the monitor come it will be
D. the monitor comes it will be